Nintendo Ultra64 Programmer's Manual page 4

Modified Instructions ............................................................................................. 28
IMEM .............................................................................................................................. 29
Addressing............................................................................................................... 29
Explicitly Managed ................................................................................................. 29
DMEM ............................................................................................................................ 30
Addressing............................................................................................................... 30
Explicitly Managed Resource................................................................................ 30
External Memory Map ................................................................................................. 31
Scalar Unit Registers..................................................................................................... 32
SU Register Format ................................................................................................. 32
Register 0 .................................................................................................................. 32
Register 31 ................................................................................................................ 32
SU Control Registers............................................................................................... 33
Vector Unit Registers.................................................................................................... 34
VU Register Format ................................................................................................ 34
VU Register Addressing ........................................................................................ 34
Computational Instructions........................................................................ 34
Loads, Stores, and Moves ........................................................................... 35
Accumulator ............................................................................................................ 36
VU Control Registers.............................................................................................. 36
Vector Compare Code Register (VCC) ..................................................... 36
Vector Carry Out Register (VCO).............................................................. 37
Vector Compare Extension Register (VCE).............................................. 38
SU and VU Interaction ................................................................................................. 39
Dual Issue of Instructions ...................................................................................... 39
RSP Instruction Set........................................................................................................ 40
Instruction Formats................................................................................................. 40
SU Instruction Format ................................................................................. 40
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